Home / 1,145,536,498.80-1,718,304,748.20-418,430,732.40

Finding the Fourth Proportional to 1,145,536,498.80, 1,718,304,748.20 and 418,430,732.40

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Solution

The fourth proportional to 1,145,536,498.80, 1,718,304,748.20 and 418,430,732.40 is: 627,646,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,536,498.80 : 1,718,304,748.20 = 418,430,732.40 : x
  2. Step 2: Convert to fraction form
    1,145,536,498.80/1,718,304,748.20 = 418,430,732.40/x
  3. Step 3: Cross multiply
    1,145,536,498.80x = 1,718,304,748.20 × 418,430,732.40
  4. Step 4: Simplify right side
    1,145,536,498.80x = 718,991,514,275,723,520
  5. Step 5: Solve for x
    x = 718,991,514,275,723,520/1,145,536,498.80
  6. Step 6: Final answer
    x = 627,646,098.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.